TREA

Christopher E. Schafer

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  • Adair, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Floating dock
    • Patent number 6,073,572
    • Issue date Jun 13, 2000
    • Schafer Systems Inc.
    • Ryan B. Gruhn
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Dual modular hinged access display and dispensing structure
    • Patent number 5,492,398
    • Issue date Feb 20, 1996
    • Schafer Systems Inc.
    • Christopher E. Schafer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Hand operated ticket printer
    • Patent number 4,821,642
    • Issue date Apr 18, 1989
    • Christopher E. Schafer
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS